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This site provides information about the North American Numbering Plan (NANP) and its administration. The NANP is the numbering plan for the Public Switched Telephone Network for Canada, the US and its territories, and some Caribbean countries. Transition to 10-Digit dialing for 988 More Information NANPA Web Guide NANPA Help Desk.
The NPA, combined with the Central Office Code or NXX, is the Destination Code being reported. An NPA is commonly referred to as an Area Code. The number format is NXX (where N=2-9, X=0-9).
Enter at least the first six to ten digits of any North American telephone number to retrieve exchange details. Lookup Number. NALENND, the North American Local Exchange NPA NXX Database, complete coverage of the North American Numbering Plan and the public switched telephone network.
NPA NXX Block OCN Region LATA LIR Switch. Effective date within past or next days. Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information. If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.
CCMI's Telecom Tools Suite allows you to calculate distances between rate and wire centers quickly, identify what carriers operate an NPA-NXX, generate a list of all area codes and states in a LATA, and pull a detailed list of carriers and tariffs for a specific OCN with just a few clicks! When you subscribe to CCMI's Telecom Tools, you'll have ...
Central Office (CO) Code. A Central Office (CO) code or NXX code refers to the second three digits (also called digits D-E-F) of a ten-digit telephone number in the form of NPA-NXX-XXXX, where N represents any one of the numbers 2 through 9 and X represents any one of the numbers 0 through 9. CO codes are also known as an exchange, or prefix ...
Area code/prefix search. Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information. If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero. 7473 POWERTEL ATLANTA LICENSES, INC. 7473 POWERTEL ATLANTA LICENSES, INC.
